labyrinth organ A much folded suprabranchial accessory breathing organ found in Anabantoidei. Formed by vascularized expansion of the epibranchial of the first gill arch. Used for respiration in air.

• 迷路器官很多摺叠了被发现于攀鲈亚目的鳃前附属呼吸器官。由第一个鳃弓上鳃骨的血管系统扩张形成。在空气中用来了呼吸。